Home / 792,821.70-1,189,232.55-414,908.10

Finding the Fourth Proportional to 792,821.70, 1,189,232.55 and 414,908.10

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Solution

The fourth proportional to 792,821.70, 1,189,232.55 and 414,908.10 is: 622,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,821.70 : 1,189,232.55 = 414,908.10 : x
  2. Step 2: Convert to fraction form
    792,821.70/1,189,232.55 = 414,908.10/x
  3. Step 3: Cross multiply
    792,821.70x = 1,189,232.55 × 414,908.10
  4. Step 4: Simplify right side
    792,821.70x = 493,422,217,778.66
  5. Step 5: Solve for x
    x = 493,422,217,778.66/792,821.70
  6. Step 6: Final answer
    x = 622,362.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.